The Speedtech ExtReme Chassis with Torque Arm Rear Suspension transforms your ’53–’56 Ford F100 into a truck that sits right, fits serious tire, and drives like something far more modern. You get the aggressive lowered stance and wide tire clearance you want, paired with confident, controlled handling whether you’re carving back roads or just cruising.
Built around Speedtech’s proven geometry and paired with QA1 or JRi coilovers, this chassis delivers a connected steering feel without beating you up on the street. The dual-power rack from Sweet Mfg. keeps things precise and predictable, so the truck responds the way you expect every time you turn the wheel.
AGGRESSIVE STANCE, WIDE TIRE FITMENT
Designed with wide wheel and tire combos in mind, this subframe accommodates up to a 315/30/18 tire with full steering clearance. High-clearance control arms and optimized geometry let you slam the car for that strong pro-touring look without compromising performance or drivability.
PRECISION STEERING FEEL, DUAL RACK PERFORMANCE
At the heart of this system is a dual power rack and pinion from Sweet Mfg., giving you a quicker ratio and improved feedback for confident cornering. Combined with our billet steering arm and ExtReme spindle geometry, you’ll feel in full control at every turn.
RACE-BRED STRENGTH, STREET-READY RELIABILITY
Box-welded construction with tabbed-through gusseting creates a strong, well-controlled foundation without sacrificing ride quality, while 7075 forged aluminum spindles deliver lightweight strength up front. It’s built to handle real performance driving while still feeling right on the street.
BINDLESS REAR END SUSPENSION
Torque Arm Rear Suspension, teamed with articulating trailing arms, is designed to articulate fully through the motion of your suspension travel, giving you better handling and a higher quality ride.
MADE IN THE USA WITH PRIDE
Every Speedtech subframe is built right here in the USA, using premium materials and expert craftsmanship. We believe in building it right the first time—with no compromises.
BOLT-ON INSTALLATION, NO GUESSWORK
This isn’t a weld-in or cut-up job. The ExtReme Chassis bolts directly to the stock location, making installation straightforward for builders, pros, or advanced DIYers. Transmission crossmembers are fully adjustable to accommodate just about any engine/trans combo you throw at it. Please note, bed floors will need to be modified.
